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Re: RTC question

To: Lanny DeVaney <>
Subject: Re: RTC question
From: Jun Sun <>
Date: Mon, 15 Apr 2002 17:18:07 -0700
In-reply-to: <>; from on Mon, Apr 15, 2002 at 04:52:39PM -0500
References: <>
User-agent: Mutt/1.2.5i
Ralf has not checked in the higher-level RTC driver yet.  You can either
build a kernel from the linux-mips project on, where the driver
is included, or try to apply the outdated patch from

It was created on Nov 11, 2001.


On Mon, Apr 15, 2002 at 04:52:39PM -0500, Lanny DeVaney wrote:
> I've used the NEW_TIME_C method to implement support for the Dallas 1501 
> RTC in my MIPS port .  I now successfully read the hw clock, and the 
> date program works, and I can change the time.
> However, the hwclock program tells me that it can't access the Hardware 
> Clock and tells me that /dev/rtc doesn't exist (although it actually 
> does) when running hwclock --debug.  Also, I see an oddity that may be 
> related - ping reports zero (as in 0 msec) round trip times always.  I 
> configured CONFIG_RTC into the kernel, and checked the major, minor of 
> /dev/rtc on my embedded ramdisk.  Also, I don't see /proc/driver/rtc.  
> Is this normal behavior with NEW_TIME_C  configurations?  I've checked 
> my rtc_get_time and rtc_set_time, ..., like I said, the 'date' program 
> works, reading and writing to the clock.
> Thanks,
> Lanny DeVaney

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